Doujutsu Info

This subcategory is not one of the main skill arts. This jutsu ability stems from the unique qualities of the users genetics. Doujutsu techniques involve jutsu ability found inherent in the eye that do not involve hand seals. Doujutsu techniques have several abilities. It gives one the ability to read Genjutsu, Taijutsu and Ninjutsu and then defeat it. It also gives one the ability to cast jutsu techniques only possible by possessing the eye. The primary users of Doujutsu are the Uchiha Clan, the holders of the Sharingan eye.

What about the Hyuugas? They have the Byakugan

Yes i just use the Uchiha's as an example.